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Finding the Fourth Proportional to 661,702.62, 992,652.36 and 306,752.52

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Solution

The fourth proportional to 661,702.62, 992,652.36 and 306,752.52 is: 460,174.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,702.62 : 992,652.36 = 306,752.52 : x
  2. Step 2: Convert to fraction form
    661,702.62/992,652.36 = 306,752.52/x
  3. Step 3: Cross multiply
    661,702.62x = 992,652.36 × 306,752.52
  4. Step 4: Simplify right side
    661,702.62x = 304,498,612,913.95
  5. Step 5: Solve for x
    x = 304,498,612,913.95/661,702.62
  6. Step 6: Final answer
    x = 460,174.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.